Unit 2 Saving the Earth-Topic 1 Pollution has caused too many problems.-Section B-ppt课件-(含教案+视频+音频+素材)-部级公开课-仁爱科普版九年级上册(编号：501f7).zip

1、Two years ago Now Reviewing What was the West Hill like two years ago? How about now? Kangkang was going to leave the West Hill. He meets Mrs. Zhou. Mrs.Zhou looks very weak,because it s difficult for her to breathe, she has got a pain in her throat.The chemical factiory produces terrible gas,the ba

2、d air makes her chest hurt.She is always in a bad mood because she cant bear the awful environment. C b a d 1b A. Listen to 1a and check the questions you hear. 1. Whats wrong with you? 2. How long have you been like this? 3. Where have you been? 4. Have you seen a doctor? 5. Have you noticed the de

3、ad fish in the river? B. Listen again and match each question above with an answer below. 1. Whats wrong with you? 2. How long have you been like this? 3. Have you seen a doctor? 4. Have you noticed the dead fish in the river? Answers: a. Not yet. b. Ive been like this since last week. C. Its diffic

4、ult for me to breathe. d. Oh, yes. 1c Read 1a and choose your lucky number. 1 2 3 4 5 6 Game time The factory causes too many problems. too many + 可数名词复数 too much + 不可数名词 much too + adj./ adv. I cant bear the environment here. cant stand + n/v-ing cant bear +n/v-ing 1a Read follow the tape and act o

5、ut your own conversations. 单项选择 ( ) 1. There are _ books in the shop. I dont know which one to choose. A. too many B. too much C. much too D. too ( ) 2. Dont smoke. Its _ to our health. Sorry, I wont do it again. A. harmB. harmful C. harmsD. harmed ( ) 3. He has a headache. He feels difficult _. A.

6、breathe B. breath C. to breathe D. to breath A B C 单项选择 ( ) 4. She is so noisy that I cant _ her. A. seeB. know C. bearD. understand ( ) 5. How long have you _ this? For a week. A. likedB. been C. been likeD. like ( ) 6. If you are always _, it will be bad for your health. A. in a good moodB. in a b

7、ad mood C. in good healthD. in need C C B Which one do you like better? Its everyones duty to love and protect the environment. 爱护和保护环境是每个人的责任和义务。 Homework 1. Recite 1a. 2. Preview Section C. 1. Use the correct stress, pronunciation, liaison and pause while reading aloud. 2. Know the differences bet

8、ween Simple Past and Present perfect. Ive got a pain in my throat. Pollution has caused too many problems. 1. Some words: breathe, pain, produce, chest, awful, bear, breath, soil, harmful 2. Some phrases: have got a pain in, be harmful to, too many, too much 3. Some sentences: (1)How long have you b

9、een like this? (2) Whats worse, the factory makes too much noise. Thank you. Light pollution is harmful to birds. harm v. & n. 危害，伤害，损害 harmful adj. 有害的 e.g. It is harmful to animals. = It does great harm to animals. be harmful to = do harm to 对有害 What caused Mrs. Zhous problems? The bad air and too

10、 much noise. What will Kangkang do? He will write to the newspaper about these problems. Try to read the word “breathe”correctly(正确地). You are lucky! Do you have any other ways to solve Mrs.Zhous problems? Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems . Section B . Material

11、analysis 本课是九年级上册第二单元第一话题的第二课时，主活动是 1a 和 3a。1a 通过 Mrs. Zhou 讲述自己的身体状况和生活环境 ，引出污染对人们的健康和生 态环境所产生的危害，同时也道出了 污染产生的原因。1b 通过“听回答问题 再听核对答案”的模式来训练学生的听力技能。通过学习本课，引导学生 关注环境问题，了解各种污染类别以及带来的危害，树立正确的环保意识。 .Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，正确运用现在完成时进行问答。 2.Skill aims: 能通过观察课文插图来预测课文内容。 能听懂用现在完成时表达的对话

12、。 能朗读和表演有关环保的对话。 3.Emotional aims: (optional) 引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。 . The key points and difficult points 1. Key points: Words and phrases: pain, produce, awful, bear, breathe/breath, get a pain in, whats worse, too much noise, too many problems, be harmful to. Sentences: Its difficult f

13、or me to breathe. Ive got a pain in my throat. Its really awful. A: How long have you been like this? A: Have you seen a doctor? B: Ive been like this since last week. B: Not yet. Grammar: Present Perfect 的问答。 2. Difficult points： 能在不同语境中，正确判断单词的不同词性。 在朗读中，能正确地把握连读和停顿的技巧。 . Learning strategies 通过 1a

14、，教会学生善于利用插图理解有关污染的对话。 通过 1b，训练学生在听的过程中学会理解与寻找关键词。 通过 1c，将游戏有机运用于练习，培养学生学习英语的兴趣与自主思维能力。 通过 Language points，培养学生的合作能力和知识的巩固能力。 . Teaching procedures Stage (time period) Interaction patterns Teacher activityStudent activityRemarks 1 Getting students ready for learning （2 mins) Class activity Free talk.

15、 T: Good morning everyone. Ss: Good morning Miss Liao. T: How are you today? Ss: Im fine,thank you. Talk with teacher and get ready for class. 使学生放松，不紧 张于课堂。同时做 好上课准备。 2 Previewing and Lead-in (5 mins) Class activity Let the Ss look at the pictures of the West Hill and answer the questions“What was

16、the West Hill like two years ago? How about now? ”to review the contents learned last class. Students put their hands to answer the questions. 学生根据两幅图片 来回答西山公园以 前和现在的样子， 既复习了上节课的 内容又培养了孩子 们的环保意识。学 生通过举手回答来 获得小组分数，增 加了孩子们举手和 大胆思维的积极性。 3 Pre- listening (5-7 mins) Class activity Show the picture of Kan

17、gkang and give a situation . T:Today Kangkang was going to leave the West Hill and he meets Mrs. Zhou.Ok,look!What does Mrs. Zhou look like? S1: She looks very weak. T: Do you know why?Well,lets have a look. (During this time ,teacher guide students to learn the passage,and learn the new words.) 1.L

18、ook at the pictures and try to answer the question. S1: She looks very weak. 2.Students read the new words follow the teacher,and they can try their best to read best to get points. 教师根据上节课所 学的知识，孩子们 去野餐完了，所以 今天 Kangang 就 离开西山，然而他 遇见了 Mrs. Zhou，可是 Mrs. Zhou 看起来很虚 弱，同学们，你们 知道为什么吗？然 后带着这个问题引 导孩子们来找原因，

19、 在小短文中找原因 的同时教学新单词， 同时又熟悉了 1a 的内容，达到了既 衔接上节课的内容 又排除听力障碍和 学习新单词的三方 效益。 4 While- listening (5-7 mins) Individual work Step 1:Let the Ss listen to 1a once and tick the questions they hear in part A of 1b. After that ,students should stand up and answer the questions one by one,then check the answers to

20、gether. Listen to 1a once and tick the questions they hear in A of 1b.After that,students should stand up and answer the questions one by one ,then check the 在环节与环节的过 度上，要注意自然 流畅，是顺理成章 的进入下一个步骤， 而不是直接切入。 因为过渡语既能起 到承上启下的作用， 又能抓住学生的注 意力。在听力前， Individual work T: As we know, Kangkang have a talk with Mr

21、s. Zhou.Well,lets listen and understand what they are talking about?ST: Now listen to the dialog between Kangkang and Mrs. Zhou and tick the questions you hear to finish part A in 1b. T: OK, lets check the answers. S1: Whats wrong with you? S2: How long have you been like this？ S3: Have you seen a d

22、octor? S4: Have you noticed the dead fish in the river? Step 2: Get the Ss to listen again and match the questions with the right answers in part B of 1b. Then check the answers together. S1: Whats wrong with you? S2: How long have you been like this？ S3: Have you seen a doctor? S4: Have you noticed

23、 the dead fish in the river? Listen again and match the questions with the right answers in B of 1b. Then check the answers together. S5: No.1 is c. S6: No. 2 is b. S7: No. 3 is a. S8: No. 4 is d. 先熟悉句子，学生 回答问题时，要及 时加分表示鼓励。 answers together. T: Great. Listen again, match the questions with the right

24、 answers in B. S5: No.1 is c. S6: No. 2 is b. S7: No. 3 is a. S8: No. 4 is d. 5 Post- listening (17 mins) Individual work Class activity and Step 1: Get the Ss to read 1a and answer the questions in 1c. T: Now read 1a by yourselves and answer the questions in 1c. . T: OK, what caused Mrs. Zhous prob

25、lem? S1: Pollution. The chemical factories produce terrible gas, make too much noise and pour waste water into rivers. T: What will Kangkang do? S2: He will write to the newspaper about the Read 1a and answer the questions in 1c. S1: Pollution. The chemical factories produce terrible gas, make too m

26、uch noise and pour waste water into rivers. S2: He will write to the newspaper about the problems. 通过完成 1c 的读 后任务，进一步理 解对话内容。在设 置这个环节时，改 变传统的模式，将 游戏引用进来，使 得课堂充满趣味， 学生通过选择自己 的幸运数字来完成 任务，有可能是真 的幸运数字，有可 能要回答问题。在 完成该任务时，如 果答案不能直接从 课文中找出，要引 导学生学会用自己 的语言总结和归纳 答案，允许有不同 的表达方式。以 1c 的第一题为例 Group work Group wo

27、rk problems. T: Do you have any other ways to solve the problem? S3 Step 2: Let the Ss read 1a carefully and find out the key points. including words, phrases and sentences. Then lead the Ss to ask their classmates and teacher for help. Write down the points they cant understand on the Bb. T: First

28、, read 1a and underline the difficult points T: If there are some difficult points you cant understand, please ask your classmates for help. If all the group members cant solve the problem, I can give you some advice. S3 Read 1a, find the difficult points, and try to solve them with the help of all

29、kinds of resources. Ss: How to use “get a pain in”? Ss: Yes. Ss: It means “某处 （What caused Mrs. Zhous problem?）简单的 回答就是 pollution。如果要 答案具体化，就必 须先引导学生找出 周夫人的问题，再 找出原因，最后用 自己的话归纳出答 案（The chemical factories produce terrible gas, make too much noise and pour waste water into rivers） 。 学生能够正确提出 问题，也是能力的

30、体现。教师需要引 导学生，一步一步 朝着正确答案去思 考，可以运用课文 中的文本语言，也 可以拓展例句提供 新的语境，还可以 根据已学知识理解 新知识（以短语 “get a pain in”为 例， pain 是本课 新单词， 要理解 Individual work Ss: How to use “get a pain in”? T: We can also say like this “I have a sore throat”. Can you understand its meaning? Ss: Yes. （Teacher touches one of his legs and say

31、s.） T: I get a pain in my leg. “Get a pain in” can be added “a part of a body” after the proposition. T: Whats the Chinese meaning of it? Ss: It means “某处疼” in Chinese. Ss . Step 3: Let the Ss read 1a follow the tape, and then act out the dialog and pay attention to the pronunciation and intonation.

32、 T: Now read 1a in 疼” in Chinese. Ss . Read 1a in roles, and then act out the dialog. Pay attention to the pronunciation and intonation. There will be performance competition among the groups. The best one wins the award. Scan the material and choose the correct words to complete the letter in 2. Ss

33、: Yes S1: too many S2: breathe 短语的意思和掌握 短语的用法就会比 较难， 因此，教 师可以通过“I have a sore throat”帮助 学生理解意思。 用举例“I get a pain in my leg”同时捂 住左腿，帮助学生 观察该短语的用法） 。 当然，学生可以根 据他们自己的方式 将成果展示出来。 课文朗读是培养学 生的语感，训练语 音语调的方法之一。 为了让学生目标性 更强，更加严格的 要求自己正确发音， roles, and then act out the dialog. Pay attention to the pronunciatio

34、n and intonation. After that, we will have a competition to see which group performs best. The best one wins the award. S3: dead 先让学生跟读，再 让学生学会合作， 自行商量扮演角色， 进行对话；并采用 一些竞争机制，激 发学生的斗志和参 与课堂活动的热情， 维护小组的集体荣 誉感。 6Exercising Class activity Teacher presents some exercises and give students sometime to fini

35、sh.And students should try their best to do it. Students try their best to finish the tasks. 许多学生在学习了 新知识后都不知道 如何运用，还有许 多孩子课上听懂了， 课下却不会做题， 因此及时的练习时 很有必要的。 7 Emotional education. Class activity Teacher guides students to look at the two pictures ,and guide students to protect the environment. T:Look

36、at the two pictures and which one do you like better? Ss:Picture 1. T:Why? Ss:Because. T:So,boys and girls we should protect our Students look at the pictures,and talk with teachers. T:Look at the two pictures and which one do you like better? Ss:Picture 1. T:Why? Ss:Because. T:So,boys and girls we

37、should protect our environment 再次使用西山的两 幅图，达到首尾呼 应的作用，同时引 出孩子的心声，教 育孩子们在学习的 同时，要保护环境， 并且爱护和保护环 境是每个人的责任 和义务。 environment and its everyones duty to love and protect the environment. and its everyones duty to love and protect the environment. 8 Assigning homework and Summarizin g (5 mins) Class activi

38、ty Step 1: HMK: 1. Recite 1a. 2. Preview Section C. Step 2: Let the Ss go over what they have learned this period. Sum up the key points. T: Now lets sum up what we have learned today. You can begin with the words and the phrases. Sum up and present the key points one by one. Ss: get a pain in Ss: be harmful to Ss 作业的布置是为学 习 Section C 打好 基础，提供素材。 在总结本科所学时， 明确复习的内容和 方向，让学生在罗 列知识时更有系统 性，养成在头脑中 建构知识框架的习 惯。